
DACE Information Technology Co., Ltd.Shanghai Shi, China

Sinopec Shengli Petroleum Engineering Co., Ltd. Drilling Technology Research Institute

Gem Optical Co LtdUnited States

SST Systems, Inc.California, United States

Shandong Phoebus Rubber Co. Ltd.Shandong Sheng, China

Hao HuChina

Ningbo Jiangbei Shengya Machinery Co., Ltd.

Fujian Jianyang Wanguo Electric Appliance Co. Ltd.

Jilin Zhongcai Pipeline Co. Ltd.

Meijia Zhixuan Elevator Co., Ltd.Jiangsu Sheng, China

Vitra Patente AG

Huizhou Jinhaocheng Non-Woven Fabric Co., Ltd.